Beta Williamson County, TX only — data and coverage are limited during early access.

13413 DULLES AVE, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath1,673 sqftBuilt 1998

Property at a Glance

This home is estimated between $433,162 and $704,515, with a best estimate of $625,938. That places the property above the R392593F - Milwood median of $450,810, in a neighborhood that declined 9.2% over the past year.

Estimated Value Range

$433,162 $704,515
Best Estimate
$625,938
WCAD Value
$415,751
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R392593F - Milwood, this home's estimated market value is between $433,162 and $704,515. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

13417 DULLES AVE, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,220 sqft Built 1999
Raw Value $442,450
Adjusted Value $625,938

Adjusted +$181,640 for 453 sqft more living space and +$1,848 for being newer. Net adjustment: +$183,488.

13421 DULLES AVE, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,607 sqft Built 1999
Raw Value $404,850
Adjusted Value $433,162

Adjusted +$26,464 for 66 sqft more living space and +$1,848 for being newer. Net adjustment: +$28,312.

13401 DULLES AVE, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,244 sqft Built 1998
Raw Value $464,089
Adjusted Value $636,106

Adjusted +$172,017 for 429 sqft more living space. Net adjustment: +$172,017.

13433 DULLES AVE, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,607 sqft Built 1999
Raw Value $412,838
Adjusted Value $441,150

Adjusted +$26,464 for 66 sqft more living space and +$1,848 for being newer. Net adjustment: +$28,312.

8316 ALVIN HIGH LN, AUSTIN, TX 78729
0.05 mi 100% similar Same subdivision
3 bed 2 bath 990 sqft Built 1999
Raw Value $428,804
Adjusted Value $704,515

Adjusted +$273,863 for 683 sqft more living space and +$1,848 for being newer. Net adjustment: +$275,711.

The Neighborhood

This home is valued 7.8% below the R392593F - Milwood median of $450,810. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 9.2% over the past year.

R392593F - Milwood

typical
1,330 Properties
$450,810 Median Value
-9.2% YoY Change
2% Have Pool
100% Have Garage
This Home
$415,751
Median
$450,810

This home is -7.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,250 across all districts. With a homestead exemption claimed, that drops to $5,923 — saving $1,327 per year. That's $494 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,713
Williamson CountyCounty0.3694%$1,536
North Austin MUD #1MUD0.2165%$900
Austin Community Collegespecial0.1034%$430
Williamson County ESD #1 - Jollyville VFDESD0.1000%$416
Williamson County FM/RdCounty0.0443%$184
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$7,250

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $625,938 would pay approximately $3,907 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

View full property details